Clinker is an artificial rock produced from Lime Stone, clay and ferruginous additives .These Materials are ground together to Obtain a Precisely Specific mixture, this homogeneous raw meal is heated in Rotary kiln upto 1450 Celsius to reach the sintering Point. Clinker is composed by 4 major Oxides. (Calcium, Silicium ,Aluminium and Iron Oxide). It is basic material to Obtain Portland cement.
Uses: Portland Cement Clinker is ground to a Fine Powder and used as the binder in many cement products. It May also be combined with other active ingredients or Chemical admixtures to produce other types of cement including GGBFS (Ground granulated blast furnace Slag Cement)
Our Specification
| Composition% | Test Method | Value | Standard Limit |
| SiO2 | ASTM C-114 | >21 | – |
| AI2O3 | ASTM C-114 | >5.3 | – |
| Fe2O3 | ASTM C-114 | <3.6 | – |
| CaO | ASTM C-114 | ≥65 | – |
| MgO | ASTM C-114 | <2.5 | Max 5.0 |
| SO3 | ASTM C-114 | ≤1 | – |
| K2O | ASTM C-114 | <0.9 | – |
| Na2O | ASTM C-114 | <0.2 | – |
| CL | ASTM C-114 | <0.01 | – |
| L.O.I | ASTM C-114 | <0.5 | Max 1.0 |
| I.R | ASTM C-114 | <0.5 | Max 0.75 |
| LSF | ASTM C-114 | >94 | – |
| SIM | ASTM C-114 | 2.3-2.4 | – |
| ALM | ASTM C-114 | 1.4-1.6 | – |
| C3S | ASTM C-114 | >54 | – |
| C2S | ASTM C-114 | 20±3 | – |
| C3A | ASTM C-114 | ≥8 | – |
| C4AF | ASTM C-114 | <11 | – |
| Free CaO | ASTM C-114 | <1 | Max 2.0 |
| Total Alkali | ASTM C-114 | <0.85 | – |
Clinker Sieve Analysis
| Size.mm (Inches) | ASTM E11 | Unit (Per cent) | Actual | Cumulative |
| Retain on/31.5mm (1.25″) | % | 9.0 | 9.0 | |
| Retain on/16mm (5/8″) | % | 38.0 | 47.0 | |
| Retain on/8mm (5/16″) | % | 22 | 69 | |
| Retain on/4mm (0.157″) | % | 8 | 77 | |
| Retain on/2mm (.0757″) | % | 20 | 97 | |
| Passing on/2mm (.0757″) | % | 3 | 100 |